﻿function newGuid()
{
    var guid = "";
    for (var i = 1; i <= 32; i++){
      var n = Math.floor(Math.random()*16.0).toString(16);
      guid +=   n;
      if((i==8)||(i==12)||(i==16)||(i==20))
        guid += "-";
    }
    return guid;    
}

function getGUID() {
    if(localStorage["GUID"] == undefined) { 
        localStorage["GUID"] = newGuid();
    }
    
    return localStorage["GUID"];

}